[3.7] bpo-39885: IDLE context menu clears selection (GH-18859) by miss-islington · Pull Request #18861 · python/cpython
Since clicking to get an IDLE context menu moves the cursor,
any text selection should be and now is cleared.
(cherry picked from commit 4ca060d)
Co-authored-by: Terry Jan Reedy tjreedy@udel.edu